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20-04-2021
Mathematics

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does anyone know the surface area of this pyramid?

does anyone know the surface area of this pyramid class=

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20-04-2021

Answer:

217

Step-by-step explanation:

1/2 * 12 * 7 = 42 this is one side of the pyramid

4x for all sides = 168

add the bottom which is just a square 7*7 = 49

168 + 49 = 217

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